# Tomstrails GPS UTM vs Mgrs & Utm Map

The clearest difference is ads: Tomstrails GPS UTM at none against Mgrs & Utm Map's shown. Tomstrails GPS UTM also leads on review sentiment (84% vs 54%). Mgrs & Utm Map's advantage is iOS requirement (16.6 vs 18.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Tomstrails GPS UTM sells 1 one-off in-app purchase and Mgrs & Utm Map sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Tomstrails GPS UTM holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 1.6K and 2.6K respectively. Written reviews point the same way: 84% of Tomstrails GPS UTM's written reviews are positive against 54% of Mgrs & Utm Map's.

Tomstrails GPS UTM ships an update every 6 weeks, Mgrs & Utm Map every 2 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Tomstrails GPS UTM | Mgrs & Utm Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/tomstrails-gps-utm/id1004370364/reviews)** | [4.6 (2.6K ratings)](https://appshunter.io/ios/app/mgrs-and-utm-map/id1439891984/reviews) |
| Number of ratings | 1.6K | **2.6K** |
| Positive reviews | **83.8% of reviews** | 54.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 8 MB | 55 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tomstrails.com](https://appshunter.io/developer/425642318) | [Vahid Cataltas](https://appshunter.io/developer/1439891983) |

## What reviewers say

### Tomstrails GPS UTM

[App page](https://appshunter.io/ios/app/tomstrails-gps-utm/id1004370364)

This app provides precise UTM grid references and displays your location on topographic maps. It works offline, supports various regional datums, and offers multiple coordinate formats for easy sharing and use in other applications.

**Highlights:** Fast and accurate UTM grid reference, Locate position on topographic maps, Works without phone signal, Supports regional datums (e.g., ED50), Multiple coordinate formats (1m, 10m, 100m), Share coordinates with other apps, High contrast display for readability

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Feature Pack | Free | one-time |

**What reviewers like**

- 🚀 Simple and free
- 👍 Works well
- 👍 Easy to use
- 👍 Accurate and reliable
- 👍 Great for hiking and emergencies

**What reviewers complain about**

- 🐛 Doesn't do anything
- 🐛 Coordinates not always accurate
- 💰 Requires payment for some features

**Reported bugs**

- Stopped working after iOS update
- UTM grids were off initially, required setting changes

**Requested features**

- Add support for Morocco coordinate system
- Add option to average readings and hold the result
- Add option to reduce coordinate display to 6 digits for emergency use
- Bring back previous features like degrees/minutes display and ability to edit messages


### Mgrs & Utm Map

[App page](https://appshunter.io/ios/app/mgrs-and-utm-map/id1439891984)

Navigate the outdoors with precision using GPS and multiple coordinate systems. Ideal for military, hikers, and outdoor enthusiasts, it displays your accurate position on various map layers and supports KML import/export.

**Highlights:** GPS, GALILEO, GLONASS support, Accurate position display, Multiple map layers, KML import/export, Outdoor activity helper

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features | $24.99 | one-time |

**What reviewers like**

- ⭐ Excellent for military utilities
- ⭐ Surprisingly powerful and accurate for a free app
- ⭐ Great app to have, recommended

**What reviewers complain about**

- 🚫 Ads block crucial information like coordinates
- 🚫 Layers and features not working as expected
- 🚫 App crashes and becomes unusable
- 🚫 Paid version doesn't work as advertised

**Reported bugs**

- Issues with importing and exporting KML files
- Inability to plot grids and see coordinates
- App constantly re-centers to user's location

**Requested features**

- Offline map support
- Ability to rename and manage layers
- Compass calibration and orientation options
- Sharing and syncing of waypoints/markers
- More map types and grid formats (e.g. British National Grid)


## Frequently asked questions

### Is Tomstrails GPS UTM free?

Tomstrails GPS UTM is free to download, with in-app purchases available.

### Is Mgrs & Utm Map free?

Mgrs & Utm Map is free to download, with in-app purchases available.

### Which has better reviews, Tomstrails GPS UTM or Mgrs & Utm Map?

Tomstrails GPS UTM is rated higher. Tomstrails GPS UTM averages 4.8 out of 5 from 1.6K ratings, while Mgrs & Utm Map averages 4.6 from 2.6K ratings.

### Do Tomstrails GPS UTM or Mgrs & Utm Map have ads?

Mgrs & Utm Map shows ads; Tomstrails GPS UTM does not.

### Which is updated more often, Tomstrails GPS UTM or Mgrs & Utm Map?

Tomstrails GPS UTM ships an update every 6 weeks, and Mgrs & Utm Map every 2 months. Most recently, Tomstrails GPS UTM was updated on November 1, 2026 and Mgrs & Utm Map on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*